from tkinter import*  
print("координата X:")
X = int(input())
print("координата Y:") 
Y = int(input())
print("координата N:") 
N = int(input()) 
coords = [0, 0, 10, 0, 10, 10, 20, 10, 20, 0, 30, 0, 30, 20, 0, 20] 
if N==0 and X>=0 and X<=500 and Y>=0 and Y<=500:
    pass 
elif N>0 and 0*N+X>0 and 0*N+Y>0 and 20*N+X<500 and 20*N+Y<500:
    pass 
elif  N<=0 and 20*N+X>0 and 20*N+Y>0 and 0*N+X<500 and 0*N+Y<500:
    pass 
else:
    print("максимальный размер поля")
    exit()
root = Tk()
root.title("ИТ марафон")
root.geometry("500x500")

canvas = Canvas(bg="red", width=500, height=500)
canvas.pack(anchor=CENTER, expand=1)
canvas.create_polygon(coords[0]*N+X, coords[1]*N+Y,
coords[2]*N+X, coords[3]*N+Y,
coords[4]*N+X, coords[5]*N+Y,
coords[6]*N+X, coords[7]*N+Y,
coords[8]*N+X, coords[9]*N+Y,
coords[10]*N+X, coords[11]*N+Y,
coords[12]*N+X, coords[13]*N+Y,
coords[14]*N+X, coords[15]*N+Y)
root.mainloop()


